Is Marbling The Main Thing You Should Look For, When Trying To Chose A Good Steak?

I’m referring to when you know the cut you have. For example if you’re just looking for ribeye steaks.

Is marbling the main thing you should look for, when choosing the right one?

Recently moved to a new place, and haven’t found a butcher yet. So just got this from my local whole food. https://imgur.com/a/P86GTHJ

Thoughts?